Supports removed

No step checklist
No metronome
No Call/AED reminders

Minimal support kept

Depth feedback only
5–6 cm

User must remember

  • Order of CPR steps
  • Compression rate 100–120 bpm
  • 30:2 cycles + interruptions <10 seconds

Objective

Transition from "following prompts to complete tasks" to "completing tasks through memory." Remove most prompts, retaining only minimal feedback (e.g., pressure depth), forcing users to genuinely memorize procedures and their underlying reasons.

Optional memory anchors

CAB
30:2
⩽10s
100-120
5–6 cm